204194379 has 8 divisors (see below), whose sum is σ = 279617680. Its totient is φ = 132450336.

The previous prime is 204194371. The next prime is 204194411. The reversal of 204194379 is 973491402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204194379 - 2³ = 204194371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204194371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919684 + ... + 919905.

It is an arithmetic number, because the mean of its divisors is an integer number (34952210).

Almost surely, 2^204194379 is an apocalyptic number.

204194379 is a deficient number, since it is larger than the sum of its proper divisors (75423301).

204194379 is a wasteful number, since it uses less digits than its factorization.

204194379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839629.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 204194379 is about 14289.6598629918. The cubic root of 204194379 is about 588.8634435045.

The spelling of 204194379 in words is "two hundred four million, one hundred ninety-four thousand, three hundred seventy-nine".